diff --git a/eng/mgmt/mgmtmetadata/maintenance_resource-manager.txt b/eng/mgmt/mgmtmetadata/maintenance_resource-manager.txt
index 8b1c0703ff7f..d0a207b499aa 100644
--- a/eng/mgmt/mgmtmetadata/maintenance_resource-manager.txt
+++ b/eng/mgmt/mgmtmetadata/maintenance_resource-manager.txt
@@ -1,14 +1,14 @@
-Installing AutoRest version: latest
+Installing AutoRest version: v2
 AutoRest installed successfully.
 Commencing code generation
 Generating CSharp code
 Executing AutoRest command
-cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/maintenance/resource-manager/readme.md --csharp --version=latest --reflect-api-versions --csharp-sdks-folder=D:\sources\ARM\azure-sdk-for-net-fork\sdk
-2019-09-09 20:41:48 UTC
+cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/maintenance/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp-sdks-folder=E:\gautamd-ms\azure-sdk-for-net\sdk
+2020-04-28 00:17:36 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      db796b68521d21ac94124a1875906eee76e98d54
+Commit:      de43e7fba7da1d2f2212c971d01f790a7afb1ba5
 AutoRest information
-Requested version: latest
-Bootstrapper version:    autorest@2.0.4283
+Requested version: v2
+Bootstrapper version:    autorest@2.0.4413
diff --git a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/AzSdk.RP.props b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/AzSdk.RP.props
index 3a72b63a2079..8e61ebe21dda 100644
--- a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/AzSdk.RP.props
+++ b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/AzSdk.RP.props
@@ -1,7 +1,7 @@
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <!--This file and it's contents are updated at build time moving or editing might result in build failure. Take due deligence while editing this file-->
   <PropertyGroup>
-    <AzureApiTag>Maintenance_2018-06-01-preview;</AzureApiTag>
+    <AzureApiTag>Maintenance_2020-04-01;</AzureApiTag>
     <PackageTags>$(PackageTags);$(CommonTags);$(AzureApiTag);</PackageTags>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/MaintenanceManagementClient.cs b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/MaintenanceManagementClient.cs
index 468e7ecaa9a8..67459ebfc384 100644
--- a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/MaintenanceManagementClient.cs
+++ b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/MaintenanceManagementClient.cs
@@ -348,7 +348,7 @@ private void Initialize()
             Operations = new Operations(this);
             Updates = new UpdatesOperations(this);
             BaseUri = new System.Uri("https://management.azure.com");
-            ApiVersion = "2018-06-01-preview";
+            ApiVersion = "2020-04-01";
             AcceptLanguage = "en-US";
             LongRunningOperationRetryTimeout = 30;
             GenerateClientRequestId = true;
diff --git a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/Models/MaintenanceConfiguration.cs b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/Models/MaintenanceConfiguration.cs
index 1d7ef0116f16..f0d66b5b5bf0 100644
--- a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/Models/MaintenanceConfiguration.cs
+++ b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/Models/MaintenanceConfiguration.cs
@@ -41,11 +41,14 @@ public MaintenanceConfiguration()
         /// resource</param>
         /// <param name="tags">Gets or sets tags of the resource</param>
         /// <param name="namespaceProperty">Gets or sets namespace of the
-        /// resource</param>
+        /// resource e.g. Microsoft.Maintenance or Microsoft.Sql</param>
         /// <param name="extensionProperties">Gets or sets extensionProperties
-        /// of the maintenanceConfiguration</param>
+        /// of the maintenanceConfiguration. This is for future use only and
+        /// would be a set of key value pairs for additional information e.g.
+        /// whether to follow SDP etc.</param>
         /// <param name="maintenanceScope">Gets or sets maintenanceScope of the
-        /// configuration. Possible values include: 'All', 'Host', 'Resource',
+        /// configuration. It represent the impact area of the maintenance.
+        /// Possible values include: 'All', 'Host', 'Resource',
         /// 'InResource'</param>
         public MaintenanceConfiguration(string id = default(string), string name = default(string), string type = default(string), string location = default(string), IDictionary<string, string> tags = default(IDictionary<string, string>), string namespaceProperty = default(string), IDictionary<string, string> extensionProperties = default(IDictionary<string, string>), string maintenanceScope = default(string))
             : base(id, name, type)
@@ -76,20 +79,24 @@ public MaintenanceConfiguration()
         public IDictionary<string, string> Tags { get; set; }
 
         /// <summary>
-        /// Gets or sets namespace of the resource
+        /// Gets or sets namespace of the resource e.g. Microsoft.Maintenance
+        /// or Microsoft.Sql
         /// </summary>
         [JsonProperty(PropertyName = "properties.namespace")]
         public string NamespaceProperty { get; set; }
 
         /// <summary>
-        /// Gets or sets extensionProperties of the maintenanceConfiguration
+        /// Gets or sets extensionProperties of the maintenanceConfiguration.
+        /// This is for future use only and would be a set of key value pairs
+        /// for additional information e.g. whether to follow SDP etc.
         /// </summary>
         [JsonProperty(PropertyName = "properties.extensionProperties")]
         public IDictionary<string, string> ExtensionProperties { get; set; }
 
         /// <summary>
-        /// Gets or sets maintenanceScope of the configuration. Possible values
-        /// include: 'All', 'Host', 'Resource', 'InResource'
+        /// Gets or sets maintenanceScope of the configuration. It represent
+        /// the impact area of the maintenance. Possible values include: 'All',
+        /// 'Host', 'Resource', 'InResource'
         /// </summary>
         [JsonProperty(PropertyName = "properties.maintenanceScope")]
         public string MaintenanceScope { get; set; }
diff --git a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/SdkInfo_MaintenanceManagementClient.cs b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/SdkInfo_MaintenanceManagementClient.cs
index 857068df54a3..4883ed6702b9 100644
--- a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/SdkInfo_MaintenanceManagementClient.cs
+++ b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/src/Generated/SdkInfo_MaintenanceManagementClient.cs
@@ -19,11 +19,11 @@ public static IEnumerable<Tuple<string, string, string>> ApiInfo_MaintenanceMana
           {
               return new Tuple<string, string, string>[]
               {
-                new Tuple<string, string, string>("Maintenance", "ApplyUpdates", "2018-06-01-preview"),
-                new Tuple<string, string, string>("Maintenance", "ConfigurationAssignments", "2018-06-01-preview"),
-                new Tuple<string, string, string>("Maintenance", "MaintenanceConfigurations", "2018-06-01-preview"),
-                new Tuple<string, string, string>("Maintenance", "Operations", "2018-06-01-preview"),
-                new Tuple<string, string, string>("Maintenance", "Updates", "2018-06-01-preview"),
+                new Tuple<string, string, string>("Maintenance", "ApplyUpdates", "2020-04-01"),
+                new Tuple<string, string, string>("Maintenance", "ConfigurationAssignments", "2020-04-01"),
+                new Tuple<string, string, string>("Maintenance", "MaintenanceConfigurations", "2020-04-01"),
+                new Tuple<string, string, string>("Maintenance", "Operations", "2020-04-01"),
+                new Tuple<string, string, string>("Maintenance", "Updates", "2020-04-01"),
               }.AsEnumerable();
           }
       }
diff --git a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationCreateTest.json b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationCreateTest.json
index 54e113cf1c65..df5739377991 100644
--- a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationCreateTest.json
+++ b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationCreateTest.json
@@ -67,8 +67,8 @@
       "StatusCode": 201
     },
     {
-      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg8049/providers/Microsoft.Maintenance/maintenanceConfigurations/maintenancesdk1868?api-version=2018-06-01-preview",
-      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnODA0OS9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvbWFpbnRlbmFuY2VzZGsxODY4P2FwaS12ZXJzaW9uPTIwMTgtMDYtMDEtcHJldmlldw==",
+      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg8049/providers/Microsoft.Maintenance/maintenanceConfigurations/maintenancesdk1868?api-version=2020-04-01",
+      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnODA0OS9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvbWFpbnRlbmFuY2VzZGsxODY4P2FwaS12ZXJzaW9uPTIwMjAtMDQtMDE=",
       "RequestMethod": "PUT",
       "RequestBody": "{\r\n  \"location\": \"westus\",\r\n  \"properties\": {\r\n    \"maintenanceScope\": \"Host\"\r\n  }\r\n}",
       "RequestHeaders": {
diff --git a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationGetTest.json b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationGetTest.json
index 59378ba39f0a..13f88ede0849 100644
--- a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationGetTest.json
+++ b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationGetTest.json
@@ -67,8 +67,8 @@
       "StatusCode": 201
     },
     {
-      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg1854/providers/Microsoft.Maintenance/maintenanceConfigurations/maintenancesdk3255?api-version=2018-06-01-preview",
-      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnMTg1NC9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvbWFpbnRlbmFuY2VzZGszMjU1P2FwaS12ZXJzaW9uPTIwMTgtMDYtMDEtcHJldmlldw==",
+      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg1854/providers/Microsoft.Maintenance/maintenanceConfigurations/maintenancesdk3255?api-version=2020-04-01",
+      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnMTg1NC9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvbWFpbnRlbmFuY2VzZGszMjU1P2FwaS12ZXJzaW9uPTIwMjAtMDQtMDE=",
       "RequestMethod": "PUT",
       "RequestBody": "{\r\n  \"location\": \"westus\",\r\n  \"properties\": {\r\n    \"maintenanceScope\": \"Host\"\r\n  }\r\n}",
       "RequestHeaders": {
@@ -133,8 +133,8 @@
       "StatusCode": 200
     },
     {
-      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg1854/providers/Microsoft.Maintenance/maintenanceConfigurations/maintenancesdk3255?api-version=2018-06-01-preview",
-      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnMTg1NC9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvbWFpbnRlbmFuY2VzZGszMjU1P2FwaS12ZXJzaW9uPTIwMTgtMDYtMDEtcHJldmlldw==",
+      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg1854/providers/Microsoft.Maintenance/maintenanceConfigurations/maintenancesdk3255?api-version=2020-04-01",
+      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnMTg1NC9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvbWFpbnRlbmFuY2VzZGszMjU1P2FwaS12ZXJzaW9uPTIwMjAtMDQtMDE=",
       "RequestMethod": "GET",
       "RequestBody": "",
       "RequestHeaders": {
diff --git a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationListTest.json b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationListTest.json
index 2a9cde6ab595..57332c0e81a7 100644
--- a/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationListTest.json
+++ b/sdk/maintenance/Microsoft.Azure.Management.Maintenance/tests/SessionRecords/MaintenanceConfigurationTests/MaintenanceConfigurationListTest.json
@@ -67,8 +67,8 @@
       "StatusCode": 201
     },
     {
-      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg3136/providers/Microsoft.Maintenance/maintenanceConfigurations/maintenancesdk5989?api-version=2018-06-01-preview",
-      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnMzEzNi9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvbWFpbnRlbmFuY2VzZGs1OTg5P2FwaS12ZXJzaW9uPTIwMTgtMDYtMDEtcHJldmlldw==",
+      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg3136/providers/Microsoft.Maintenance/maintenanceConfigurations/maintenancesdk5989?api-version=2020-04-01",
+      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnMzEzNi9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvbWFpbnRlbmFuY2VzZGs1OTg5P2FwaS12ZXJzaW9uPTIwMjAtMDQtMDE=",
       "RequestMethod": "PUT",
       "RequestBody": "{\r\n  \"location\": \"westus\",\r\n  \"properties\": {\r\n    \"maintenanceScope\": \"Host\"\r\n  }\r\n}",
       "RequestHeaders": {
@@ -199,8 +199,8 @@
       "StatusCode": 201
     },
     {
-      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg6391/providers/Microsoft.Maintenance/maintenanceConfigurations/acinetsdk2792?api-version=2018-06-01-preview",
-      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnNjM5MS9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvYWNpbmV0c2RrMjc5Mj9hcGktdmVyc2lvbj0yMDE4LTA2LTAxLXByZXZpZXc=",
+      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/resourcegroups/maintenance_rg6391/providers/Microsoft.Maintenance/maintenanceConfigurations/acinetsdk2792?api-version=2020-04-01",
+      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Jlc291cmNlZ3JvdXBzL21haW50ZW5hbmNlX3JnNjM5MS9wcm92aWRlcnMvTWljcm9zb2Z0Lk1haW50ZW5hbmNlL21haW50ZW5hbmNlQ29uZmlndXJhdGlvbnMvYWNpbmV0c2RrMjc5Mj9hcGktdmVyc2lvbj0yMDIwLTA0LTAx",
       "RequestMethod": "PUT",
       "RequestBody": "{\r\n  \"location\": \"westus\",\r\n  \"properties\": {\r\n    \"maintenanceScope\": \"Host\"\r\n  }\r\n}",
       "RequestHeaders": {
@@ -265,8 +265,8 @@
       "StatusCode": 200
     },
     {
-      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/providers/Microsoft.Maintenance/maintenanceConfigurations?api-version=2018-06-01-preview",
-      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Byb3ZpZGVycy9NaWNyb3NvZnQuTWFpbnRlbmFuY2UvbWFpbnRlbmFuY2VDb25maWd1cmF0aW9ucz9hcGktdmVyc2lvbj0yMDE4LTA2LTAxLXByZXZpZXc=",
+      "RequestUri": "/subscriptions/42c974dd-2c03-4f1b-96ad-b07f050aaa74/providers/Microsoft.Maintenance/maintenanceConfigurations?api-version=2020-04-01",
+      "EncodedRequestUri": "L3N1YnNjcmlwdGlvbnMvNDJjOTc0ZGQtMmMwMy00ZjFiLTk2YWQtYjA3ZjA1MGFhYTc0L3Byb3ZpZGVycy9NaWNyb3NvZnQuTWFpbnRlbmFuY2UvbWFpbnRlbmFuY2VDb25maWd1cmF0aW9ucz9hcGktdmVyc2lvbj0yMDIwLTA0LTAx",
       "RequestMethod": "GET",
       "RequestBody": "",
       "RequestHeaders": {